Afer a recen field rip o he US Naional Arboreum a member indicaed ha oher members would enjoy nowing wha is in bloom a he arboreum hroughou he year.  Here’s a o he US Naional Arboreums “Average Blooming Daes”.  Thans o John S. Hilaire for sharing his informaion.

hp://www.usna.usda.gov/Educaion/blooming.hml

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